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the command /nixstate/nix/bin/nix-state --run /nix/store/sig2qgvaayydrwy5hn6b2dm5r2ayhv5s-hellohardcodedstateworld-1.0 now causes state to be checked and comitted

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This commit is contained in:
Wouter den Breejen 2007-05-30 17:16:25 +00:00
parent 653e557e81
commit 25117fd165
10 changed files with 378 additions and 202 deletions
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57
src/libutil/util.cc
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@ -10,6 +10,8 @@
#include <cerrno>
#include <cstdio>
#include <sstream>
#include <fstream>
#include <iostream>
#include <sys/stat.h>
#include <sys/wait.h>
@ -1007,5 +1009,60 @@ string trim(const string & s) {
return triml(trimr(s));
}
//executes a shell command and captures and prints the output.
//TODO , check if we can integrate with runProgram
void executeAndPrintShellCommand(const string & command, const string & commandName)
{
string tempoutput = "svnoutput.txt";
string newcommand = command + " &> " + tempoutput; //the &> sends also stderr to stdout
int kidstatus, deadpid;
pid_t kidpid = fork();
switch (kidpid) {
case -1:
throw SysError("unable to fork");
case 0:
try { // child
int rv = system(newcommand.c_str());
//int rv = execlp(svnbin.c_str(), svnbin.c_str(), ">", tempoutput.c_str(), NULL); //TODO make this work ... ?
string line;
std::ifstream myfile (tempoutput.c_str());
if (myfile.is_open()){
while (! myfile.eof() )
{
getline (myfile,line);
if(trim(line) != "")
printMsg(lvlError, format("[%2%]: %1%") % line % commandName);
}
myfile.close();
}
else{
throw SysError("svn state error");
quickExit(1);
}
if (rv == -1) {
throw SysError("svn state error");
quickExit(99);
}
quickExit(0);
} catch (std::exception & e) {
std::cerr << format("state child error: %1%\n") % e.what();
quickExit(1);
}
}
deadpid = waitpid(kidpid, &kidstatus, 0);
if (deadpid == -1) {
std::cerr << format("state child waitpid error\n");
quickExit(1);
}
remove(tempoutput.c_str()); //Remove the tempoutput file
}
}